Home / 83,934.06-125,742.62-64,991.21

Finding the Fourth Proportional to 83,934.06, 125,742.62 and 64,991.21

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Solution

The fourth proportional to 83,934.06, 125,742.62 and 64,991.21 is: 97,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,934.06 : 125,742.62 = 64,991.21 : x
  2. Step 2: Convert to fraction form
    83,934.06/125,742.62 = 64,991.21/x
  3. Step 3: Cross multiply
    83,934.06x = 125,742.62 × 64,991.21
  4. Step 4: Simplify right side
    83,934.06x = 8,172,165,022.37
  5. Step 5: Solve for x
    x = 8,172,165,022.37/83,934.06
  6. Step 6: Final answer
    x = 97,364.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.